Remote Assistant Interview Questions

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Current setup: A server is running Red Hat Enterprise Linux 6 with a single public network interface, provisioned with one IP (10.0.0.1/24) for the server, and two virtual IPs (10.1.0.4 and 10.1.0.5) for services running on the server. The additional IP addresses are routed with a /32 prefix through the primary IP address. Desired setup: Two virtual machines are running on the server, with each one using one of the virtual IPs. The hosting provider will not route traffic on the virtual IPs to anything other than the physical server, so a workaround will need to be implemented to allow traffic to the virtual machines. The virtual IP addresses must be configured directly on the virtual machines to assist with some application limitations. Requirements: 1.What virtualization product would you recommend to use for this implementation? Provide justification based on the following factors: - Technical strengths over other virtualization solutions, - Cost (monetary, such as license costs, and labour, (such as installation, maintenance, support, etc.) Please add anything else you feel is worth mentioning.  2. Provide an overview of the technical details of the implementation. Include the type of network setup to use in the virtual environment, so that the result produces the desired setup. Please include any other technical points you think are important.
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Remote Linux Systems Administrator

Interviewed at Pythian

4.1
Sep 16, 2015

Current setup: A server is running Red Hat Enterprise Linux 6 with a single public network interface, provisioned with one IP (10.0.0.1/24) for the server, and two virtual IPs (10.1.0.4 and 10.1.0.5) for services running on the server. The additional IP addresses are routed with a /32 prefix through the primary IP address. Desired setup: Two virtual machines are running on the server, with each one using one of the virtual IPs. The hosting provider will not route traffic on the virtual IPs to anything other than the physical server, so a workaround will need to be implemented to allow traffic to the virtual machines. The virtual IP addresses must be configured directly on the virtual machines to assist with some application limitations. Requirements: 1.What virtualization product would you recommend to use for this implementation? Provide justification based on the following factors: - Technical strengths over other virtualization solutions, - Cost (monetary, such as license costs, and labour, (such as installation, maintenance, support, etc.) Please add anything else you feel is worth mentioning.  2. Provide an overview of the technical details of the implementation. Include the type of network setup to use in the virtual environment, so that the result produces the desired setup. Please include any other technical points you think are important.

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